Home / 138,687,209,487.20-208,030,814,230.80-33,997,584,015.20

Finding the Fourth Proportional to 138,687,209,487.20, 208,030,814,230.80 and 33,997,584,015.20

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Solution

The fourth proportional to 138,687,209,487.20, 208,030,814,230.80 and 33,997,584,015.20 is: 50,996,376,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,687,209,487.20 : 208,030,814,230.80 = 33,997,584,015.20 : x
  2. Step 2: Convert to fraction form
    138,687,209,487.20/208,030,814,230.80 = 33,997,584,015.20/x
  3. Step 3: Cross multiply
    138,687,209,487.20x = 208,030,814,230.80 × 33,997,584,015.20
  4. Step 4: Simplify right side
    138,687,209,487.20x = 7,072,545,084,562,086,035,456
  5. Step 5: Solve for x
    x = 7,072,545,084,562,086,035,456/138,687,209,487.20
  6. Step 6: Final answer
    x = 50,996,376,022.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.